Search Results for: Crankshaft Position Sensor/feed/rss2/
The beauty of crank-fired Wasted Spark ignition
You’ve either heard the term ‘Wasted Spark Ignition’ or seen it in the Megasquirt ignition settings in TunerStudio, but sometimes the concept can be tricky to grasp. If you’re running an aftermarket engine management system however, it’s something you should make sure to understand and use to your advantage. What makes Wasted Spark better than…
Read MoreMS3Pro Closed Loop Idle – Stepper Valve
In this guide, we’ll walk you through the fundamentals of setting up and tuning Closed Loop Idle Control – Stepper Valve. Our aim is to present the information in a straightforward way, making it accessible even if you’re not deep into engine management theory. We’ll provide real-world examples and recommended settings based on the vehicles…
Read More
The EFI Tuners Guide Chapter 3 – Garbage In, Garbage Out: The Three Stages of Success
Updated September 2022 by Jerry Hoffmann Chapter 3 – Garbage In, Garbage Out: A properly installed, configured, and tuned Engine Management System makes all the difference (The Three Stages of Success) GIGO: Garbage In, Garbage Out. It’s a pretty simple principal. Whatever you put into this type of project will absolutely play a role in…
Read More
The EFI Tuners Guide – Learn How EFI works!
A practical guide on how to understand and tune your engine/car with Electronic Fuel Injection and Ignition with an aftermarket Standalone Engine Management System Updated September 2022 by Jerry Hoffmann Our EFI Tuners Guide is aimed first and foremost to the DIY EFI installer, configurer, and tuner, this guide will help you understand WHY you…
Read MoreUsing MSTweak to tune your MegaSquirt
(Regardless of the firmware you are using) Last Updated 3-21-2006 by Jerry Hoffmann, www.DIYAutoTune.com NOTE– this article is extremely dated now and kept here solely for archive purposes. We don’t recommend MSTweak at this point in time. We recommend instead using TunerStudio’s VE Analyzer Live feature! Many of these principals are applicable for…
Read MoreFord EDIS Megasquirt Conversion 289 302 351
January 2010 Justin Finney provided us with a writeup on use of a DIYAutoTune MegaSquirt EMS systems, trigger wheels and installation of a Ford EDIS ignition system on a 1966 Bronco. Ford EDIS Megasquirt Conversion 289 302 351 Why Do this Conversion Bigger spark (no spark lost from the rotor to cap) Precise timing (timing…
Read MoreAdjusting the MegaSquirt V3.0/V3.57 VR Conditioner
The MegaSquirt V3.0 and later is designed to be able to read a wide variety of variable reluctor crankshaft position sensors. This is no easy task to get one circuit to handle a wide spectrum of sensors, and so there is a fair amount of adjustability built into the MegaSquirt. Customers asked for a simpler…
Read MoreUsing DIYAutoTune.com’s Nissan Optical Trigger Discs
Converting your Nissan distributor to a more MegaSquirt friendly design Many Nissans used a distributor or CAS with a set of four or six inner slits and 360 outer slits. Current MS3 firmware supports the SR20DET, RB series, and VG30DE/DETT trigger wheels, but MS1 and MS2 are only able to use this type of trigger…
Read MoreMegaSquirt Acceleration Enrichment Tuning
First things first… Before you start tuning the acceleration enrichment, make sure your VE tables are dialed in. Adding a correctly tuned amount of acceleration enrichment to an incorrectly tuned fuel table is still going to result in an incorrect amount of fuel. Since the acceleration enrichment is stacked on top of the fuel the…
Read MoreJimStimX Assembly
Assembly Assembling the JimStimX is very straight forward, and is a perfect first time project for someone who is new to the world of soldering and/or MegaSquirt assembly. The concept is simple. Start with the shortest components and work up to the tallest. Estimated project time should be around 30 minutes. We recommend using 63/37…
Read More